DXR is a code search and navigation tool aimed at making sense of large projects. It supports full-text and regex searches as well as structural queries.

Line Code
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (the "License"); you may not use this file except in compliance with
 * the License. You may obtain a copy of the License at
 * http://www.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is Mozilla Toolkit Crash Reporter
 *
 * The Initial Developer of the Original Code is
 *   Mozilla Corporation
 * Portions created by the Initial Developer are Copyright (C) 2006
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *   Dave Camp <dcamp@mozilla.com>
 *   Ted Mielczarek <ted.mielczarek@gmail.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */

#import <Cocoa/Cocoa.h>
#import <CoreFoundation/CoreFoundation.h>
#include "crashreporter.h"
#include "crashreporter_osx.h"
#include <crt_externs.h>
#include <spawn.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fcntl.h>
#include <sstream>

using std::string;
using std::vector;
using std::ostringstream;

using namespace CrashReporter;

static NSAutoreleasePool* gMainPool;
static CrashReporterUI* gUI = 0;
static string gDumpFile;
static StringTable gQueryParameters;
static string gURLParameter;
static string gSendURL;
static vector<string> gRestartArgs;
static bool gDidTrySend = false;
static bool gRTLlayout = false;

static cpu_type_t pref_cpu_types[2] = {
#if defined(__i386__)
                                 CPU_TYPE_X86,
#elif defined(__x86_64__)
                                 CPU_TYPE_X86_64,
#elif defined(__ppc__)
                                 CPU_TYPE_POWERPC,
#endif
                                 CPU_TYPE_ANY };

#define NSSTR(s) [NSString stringWithUTF8String:(s).c_str()]

static NSString* Str(const char* aName)
{
  string str = gStrings[aName];
  if (str.empty()) str = "?";
  return NSSTR(str);
}

static bool RestartApplication()
{
  vector<char*> argv(gRestartArgs.size() + 1);

  posix_spawnattr_t spawnattr;
  if (posix_spawnattr_init(&spawnattr) != 0) {
    return false;
  }

  // Set spawn attributes.
  size_t attr_count = sizeof(pref_cpu_types) / sizeof(pref_cpu_types[0]);
  size_t attr_ocount = 0;
  if (posix_spawnattr_setbinpref_np(&spawnattr,
                                    attr_count,
                                    pref_cpu_types,
                                    &attr_ocount) != 0 ||
      attr_ocount != attr_count) {
    posix_spawnattr_destroy(&spawnattr);
    return false;
  }

  unsigned int i;
  for (i = 0; i < gRestartArgs.size(); i++) {
    argv[i] = (char*)gRestartArgs[i].c_str();
  }
  argv[i] = 0;

  char **env = NULL;
  char ***nsEnv = _NSGetEnviron();
  if (nsEnv)
    env = *nsEnv;
  int result = posix_spawnp(NULL,
                            argv[0],
                            NULL,
                            &spawnattr,
                            &argv[0],
                            env);

  posix_spawnattr_destroy(&spawnattr);

  return result == 0;
}

@implementation CrashReporterUI

-(void)awakeFromNib
{
  gUI = self;
  [mWindow center];

  [mWindow setTitle:[[NSBundle mainBundle]
                      objectForInfoDictionaryKey:@"CFBundleName"]];
}

-(void)showCrashUI:(const string&)dumpfile
   queryParameters:(const StringTable&)queryParameters
           sendURL:(const string&)sendURL
{
  gDumpFile = dumpfile;
  gQueryParameters = queryParameters;
  gSendURL = sendURL;

  [mWindow setTitle:Str(ST_CRASHREPORTERTITLE)];
  [mHeaderLabel setStringValue:Str(ST_CRASHREPORTERHEADER)];

  NSRect viewReportFrame = [mViewReportButton frame];
  [mViewReportButton setTitle:Str(ST_VIEWREPORT)];
  [mViewReportButton sizeToFit];
  if (gRTLlayout) {
    // sizeToFit will keep the left side fixed, so realign
    float oldWidth = viewReportFrame.size.width;
    viewReportFrame = [mViewReportButton frame];
    viewReportFrame.origin.x += oldWidth - viewReportFrame.size.width;
    [mViewReportButton setFrame: viewReportFrame];
  }

  [mSubmitReportButton setTitle:Str(ST_CHECKSUBMIT)];
  [mIncludeURLButton setTitle:Str(ST_CHECKURL)];
  [mEmailMeButton setTitle:Str(ST_CHECKEMAIL)];
  [mViewReportOkButton setTitle:Str(ST_OK)];

  [mCommentText setPlaceholder:Str(ST_COMMENTGRAYTEXT)];
  if (gRTLlayout)
    [mCommentText toggleBaseWritingDirection:self];
  [[mEmailText cell] setPlaceholderString:Str(ST_EMAILGRAYTEXT)];

  if (gQueryParameters.find("URL") != gQueryParameters.end()) {
    // save the URL value in case the checkbox gets unchecked
    gURLParameter = gQueryParameters["URL"];
  }
  else {
    // no URL specified, hide checkbox
    [mIncludeURLButton removeFromSuperview];
    // shrink window to fit
    NSRect frame = [mWindow frame];
    NSRect includeURLFrame = [mIncludeURLButton frame];
    NSRect emailFrame = [mEmailMeButton frame];
    int buttonMask = [mViewReportButton autoresizingMask];
    int checkMask = [mSubmitReportButton autoresizingMask];
    int commentScrollMask = [mCommentScrollView autoresizingMask];

    [mViewReportButton setAutoresizingMask:NSViewMinYMargin];
    [mSubmitReportButton setAutoresizingMask:NSViewMinYMargin];
    [mCommentScrollView setAutoresizingMask:NSViewMinYMargin];

    // remove all the space in between
    frame.size.height -= includeURLFrame.origin.y - emailFrame.origin.y;
    [mWindow setFrame:frame display: true animate:NO];

    [mViewReportButton setAutoresizingMask:buttonMask];
    [mSubmitReportButton setAutoresizingMask:checkMask];
    [mCommentScrollView setAutoresizingMask:commentScrollMask];
  }

  // resize some buttons horizontally and possibly some controls vertically
  [self doInitialResizing];

  // load default state of submit checkbox
  // we don't just do this via IB because we want the default to be
  // off a certain percentage of the time
  BOOL submitChecked = NO;
  NSUserDefaults* userDefaults = [NSUserDefaults standardUserDefaults];
  if (nil != [userDefaults objectForKey:@"submitReport"]) {
    submitChecked =  [userDefaults boolForKey:@"submitReport"];
  }
  else {
    // use compile-time specified enable percentage
    submitChecked = ShouldEnableSending();
    [userDefaults setBool:submitChecked forKey:@"submitReport"];
  }
  [mSubmitReportButton setState:(submitChecked ? NSOnState : NSOffState)];
  
  [self updateSubmit];
  [self updateURL];
  [self updateEmail];

  [mWindow makeKeyAndOrderFront:nil];
}

-(void)showErrorUI:(const string&)message
{
  [self setView: mErrorView animate: NO];

  [mErrorHeaderLabel setStringValue:Str(ST_CRASHREPORTERHEADER)];
  [self setStringFitVertically:mErrorLabel
                        string:NSSTR(message)
                  resizeWindow:YES];
  [mErrorCloseButton setTitle:Str(ST_OK)];

  [mErrorCloseButton setKeyEquivalent:@"\r"];
  [mWindow makeFirstResponder:mErrorCloseButton];
  [mWindow makeKeyAndOrderFront:nil];
}

-(void)showReportInfo
{
  NSDictionary* boldAttr = [NSDictionary
                            dictionaryWithObject:
                            [NSFont boldSystemFontOfSize:
                             [NSFont smallSystemFontSize]]
                                          forKey:NSFontAttributeName];
  NSDictionary* normalAttr = [NSDictionary
                              dictionaryWithObject:
                              [NSFont systemFontOfSize:
                               [NSFont smallSystemFontSize]]
                                            forKey:NSFontAttributeName];

  [mViewReportTextView setString:@""];
  for (StringTable::iterator iter = gQueryParameters.begin();
       iter != gQueryParameters.end();
       iter++) {
    NSAttributedString* key = [[NSAttributedString alloc]
                               initWithString:NSSTR(iter->first + ": ")
                               attributes:boldAttr];
    NSAttributedString* value = [[NSAttributedString alloc]
                                 initWithString:NSSTR(iter->second + "\n")
                                 attributes:normalAttr];
    [[mViewReportTextView textStorage] appendAttributedString: key];
    [[mViewReportTextView textStorage] appendAttributedString: value];
    [key release];
    [value release];
  }

  NSAttributedString* extra = [[NSAttributedString alloc]
                               initWithString:NSSTR("\n" + gStrings[ST_EXTRAREPORTINFO])
                               attributes:normalAttr];
  [[mViewReportTextView textStorage] appendAttributedString: extra];
  [extra release];
}

- (void)maybeSubmitReport
{
  if ([mSubmitReportButton state] == NSOnState) {
    [self setStringFitVertically:mProgressText
                          string:Str(ST_REPORTDURINGSUBMIT)
                    resizeWindow:YES];
    // disable all the controls
    [self enableControls:NO];
    [mSubmitReportButton setEnabled:NO];
    [mRestartButton setEnabled:NO];
    [mCloseButton setEnabled:NO];
    [mProgressIndicator startAnimation:self];
    gDidTrySend = true;
    [self sendReport];
  } else {
    [NSApp terminate:self];
  }
}

- (void)closeMeDown:(id)unused
{
  [NSApp terminate:self];
}

-(IBAction)submitReportClicked:(id)sender
{
  [self updateSubmit];
  NSUserDefaults* userDefaults = [NSUserDefaults standardUserDefaults];
  [userDefaults setBool:([mSubmitReportButton state] == NSOnState)
                 forKey:@"submitReport"];
  [userDefaults synchronize];
}

-(IBAction)viewReportClicked:(id)sender
{
  [self showReportInfo];
  [NSApp beginSheet:mViewReportWindow modalForWindow:mWindow
   modalDelegate:nil didEndSelector:nil contextInfo:nil];
}

- (IBAction)viewReportOkClicked:(id)sender;
{
  [mViewReportWindow orderOut:nil];
  [NSApp endSheet:mViewReportWindow];
}

-(IBAction)closeClicked:(id)sender
{
  [self maybeSubmitReport];
}

-(IBAction)restartClicked:(id)sender
{
  RestartApplication();
  [self maybeSubmitReport];
}

- (IBAction)includeURLClicked:(id)sender
{
  [self updateURL];
}

-(IBAction)emailMeClicked:(id)sender
{
  [self updateEmail];
}

-(void)controlTextDidChange:(NSNotification *)note
{
  [self updateEmail];
}

- (void)textDidChange:(NSNotification *)aNotification
{
  // update comment parameter
  if ([[[mCommentText textStorage] mutableString] length] > 0)
    gQueryParameters["Comments"] = [[[mCommentText textStorage] mutableString]
                                    UTF8String];
  else
    gQueryParameters.erase("Comments");
}

// Limit the comment field to 500 bytes in UTF-8
- (BOOL)textView:(NSTextView *)aTextView shouldChangeTextInRange:(NSRange)affectedCharRange replacementString:(NSString *)replacementString
{
  // current string length + replacement text length - replaced range length
  if (([[aTextView string]
        lengthOfBytesUsingEncoding:NSUTF8StringEncoding]
	   + [replacementString lengthOfBytesUsingEncoding:NSUTF8StringEncoding]
	   - [[[aTextView string] substringWithRange:affectedCharRange]
        lengthOfBytesUsingEncoding:NSUTF8StringEncoding])
	    > MAX_COMMENT_LENGTH) {
    return NO;
  }
  return YES;
}

- (void)doInitialResizing
{
  NSRect windowFrame = [mWindow frame];
  NSRect restartFrame = [mRestartButton frame];
  NSRect closeFrame = [mCloseButton frame];
  // resize close button to fit text
  float oldCloseWidth = closeFrame.size.width;
  [mCloseButton setTitle:Str(ST_QUIT)];
  [mCloseButton sizeToFit];
  closeFrame = [mCloseButton frame];
  // move close button left if it grew
  if (!gRTLlayout) {
    closeFrame.origin.x -= closeFrame.size.width - oldCloseWidth;
  }

  if (gRestartArgs.size() == 0) {
    [mRestartButton removeFromSuperview];
    if (!gRTLlayout) {
      closeFrame.origin.x = restartFrame.origin.x +
        (restartFrame.size.width - closeFrame.size.width);
    }
    else {
      closeFrame.origin.x = restartFrame.origin.x;
    }
    [mCloseButton setFrame: closeFrame];
    [mCloseButton setKeyEquivalent:@"\r"];
  } else {
    [mRestartButton setTitle:Str(ST_RESTART)];
    // resize "restart" button
    float oldRestartWidth = restartFrame.size.width;
    [mRestartButton sizeToFit];
    restartFrame = [mRestartButton frame];
    if (!gRTLlayout) {
      // move left by the amount that the button grew
      restartFrame.origin.x -= restartFrame.size.width - oldRestartWidth;
      closeFrame.origin.x -= restartFrame.size.width - oldRestartWidth;
    }
    else {
      // shift the close button right in RTL
      closeFrame.origin.x += restartFrame.size.width - oldRestartWidth;
    }
    [mRestartButton setFrame: restartFrame];
    [mCloseButton setFrame: closeFrame];
    // possibly resize window if both buttons no longer fit
    // leave 20 px from either side of the window, and 12 px
    // between the buttons
    float neededWidth = closeFrame.size.width + restartFrame.size.width +
                        2*20 + 12;
    
    if (neededWidth > windowFrame.size.width) {
      windowFrame.size.width = neededWidth;
      [mWindow setFrame:windowFrame display: true animate: NO];
    }
    [mRestartButton setKeyEquivalent:@"\r"];
  }

  NSButton *checkboxes[] = {
    mSubmitReportButton,
    mIncludeURLButton,
    mEmailMeButton
  };

  for (int i=0; i<3; i++) {
    NSRect frame = [checkboxes[i] frame];
    [checkboxes[i] sizeToFit];
    if (gRTLlayout) {
      // sizeToFit will keep the left side fixed, so realign
      float oldWidth = frame.size.width;
      frame = [checkboxes[i] frame];
      frame.origin.x += oldWidth - frame.size.width;
      [checkboxes[i] setFrame: frame];
    }
    // keep existing spacing on left side, + 20 px spare on right
    float neededWidth = frame.origin.x + frame.size.width + 20;
    if (neededWidth > windowFrame.size.width) {
      windowFrame.size.width = neededWidth;
      [mWindow setFrame:windowFrame display: true animate: NO];
    }
  }

  // do this down here because we may have made the window wider
  // up above
  [self setStringFitVertically:mDescriptionLabel
                        string:Str(ST_CRASHREPORTERDESCRIPTION)
                  resizeWindow:YES];

  // now pin all the controls (except quit/submit) in place,
  // if we lengthen the window after this, it's just to lengthen
  // the progress text, so nothing above that text should move.
  NSView* views[] = {
    mSubmitReportButton,
    mViewReportButton,
    mCommentScrollView,
    mIncludeURLButton,
    mEmailMeButton,
    mEmailText,
    mProgressIndicator,
    mProgressText
  };
  for (unsigned int i=0; i<sizeof(views)/sizeof(views[0]); i++) {
    [views[i] setAutoresizingMask:NSViewMinYMargin];
  }
}

-(float)setStringFitVertically:(NSControl*)control
                        string:(NSString*)str
                  resizeWindow:(BOOL)resizeWindow
{
  // hack to make the text field grow vertically
  NSRect frame = [control frame];
  float oldHeight = frame.size.height;

  frame.size.height = 10000;
  NSSize oldCellSize = [[control cell] cellSizeForBounds: frame];
  [control setStringValue: str];
  NSSize newCellSize = [[control cell] cellSizeForBounds: frame];

  float delta = newCellSize.height - oldCellSize.height;
  frame.origin.y -= delta;
  frame.size.height = oldHeight + delta;
  [control setFrame: frame];

  if (resizeWindow) {
    NSRect frame = [mWindow frame];
    frame.origin.y -= delta;
    frame.size.height += delta;
    [mWindow setFrame:frame display: true animate: NO];
  }

  return delta;
}

-(void)setView: (NSView*)v animate: (BOOL)animate
{
  NSRect frame = [mWindow frame];

  NSRect oldViewFrame = [[mWindow contentView] frame];
  NSRect newViewFrame = [v frame];

  frame.origin.y += oldViewFrame.size.height - newViewFrame.size.height;
  frame.size.height -= oldViewFrame.size.height - newViewFrame.size.height;

  frame.origin.x += oldViewFrame.size.width - newViewFrame.size.width;
  frame.size.width -= oldViewFrame.size.width - newViewFrame.size.width;

  [mWindow setContentView:v];
  [mWindow setFrame:frame display:true animate:animate];
}

- (void)enableControls:(BOOL)enabled
{
  [mViewReportButton setEnabled:enabled];
  [mIncludeURLButton setEnabled:enabled];
  [mEmailMeButton setEnabled:enabled];
  [mCommentText setEnabled:enabled];
  [mCommentScrollView setHasVerticalScroller:enabled];
  [self updateEmail];
}

-(void)updateSubmit
{
  if ([mSubmitReportButton state] == NSOnState) {
    [self setStringFitVertically:mProgressText
                          string:Str(ST_REPORTPRESUBMIT)
                    resizeWindow:YES];
    [mProgressText setHidden:NO];
    // enable all the controls
    [self enableControls:YES];
  }
  else {
    // not submitting, disable all the controls under
    // the submit checkbox, and hide the status text
    [mProgressText setHidden:YES];
    [self enableControls:NO];
  }
}

-(void)updateURL
{
  if ([mIncludeURLButton state] == NSOnState && !gURLParameter.empty()) {
    gQueryParameters["URL"] = gURLParameter;
  } else {
    gQueryParameters.erase("URL");
  }
}

-(void)updateEmail
{
  if ([mEmailMeButton state] == NSOnState &&
      [mSubmitReportButton state] == NSOnState) {
    NSString* email = [mEmailText stringValue];
    gQueryParameters["Email"] = [email UTF8String];
    [mEmailText setEnabled:YES];
  } else {
    gQueryParameters.erase("Email");
    [mEmailText setEnabled:NO];
  }
}

-(void)sendReport
{
  if (![self setupPost]) {
    LogMessage("Crash report submission failed: could not set up POST data");
   [self setStringFitVertically:mProgressText
                          string:Str(ST_SUBMITFAILED)
                    resizeWindow:YES];
   // quit after 5 seconds
   [self performSelector:@selector(closeMeDown:) withObject:nil
    afterDelay:5.0];
  }

  [NSThread detachNewThreadSelector:@selector(uploadThread:)
            toTarget:self
            withObject:mPost];
}

-(bool)setupPost
{
  NSURL* url = [NSURL URLWithString:[NSSTR(gSendURL) stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]];
  if (!url) return false;

  mPost = [[HTTPMultipartUpload alloc] initWithURL: url];
  if (!mPost) return false;

  NSMutableDictionary* parameters =
    [[NSMutableDictionary alloc] initWithCapacity: gQueryParameters.size()];
  if (!parameters) return false;

  StringTable::const_iterator end = gQueryParameters.end();
  for (StringTable::const_iterator i = gQueryParameters.begin();
       i != end;
       i++) {
    NSString* key = NSSTR(i->first);
    NSString* value = NSSTR(i->second);
    [parameters setObject: value forKey: key];
  }

  [mPost addFileAtPath: NSSTR(gDumpFile) name: @"upload_file_minidump"];
  [mPost setParameters: parameters];
  [parameters release];

  return true;
}

-(void)uploadComplete:(NSData*)data
{
  NSHTTPURLResponse* response = [mPost response];
  [mPost release];

  bool success;
  string reply;
  if (!data || !response || [response statusCode] != 200) {
    success = false;
    reply = "";

    // if data is nil, we probably logged an error in uploadThread
    if (data != nil && response != nil) {
      ostringstream message;
      message << "Crash report submission failed: server returned status "
              << [response statusCode];
      LogMessage(message.str());
    }
  } else {
    success = true;
    LogMessage("Crash report submitted successfully");

    NSString* encodingName = [response textEncodingName];
    NSStringEncoding encoding;
    if (encodingName) {
      encoding = CFStringConvertEncodingToNSStringEncoding(
        CFStringConvertIANACharSetNameToEncoding((CFStringRef)encodingName));
    } else {
      encoding = NSISOLatin1StringEncoding;
    }
    NSString* r = [[NSString alloc] initWithData: data encoding: encoding];
    reply = [r UTF8String];
    [r release];
  }

  SendCompleted(success, reply);

  [mProgressIndicator stopAnimation:self];
  if (success) {
   [self setStringFitVertically:mProgressText
                          string:Str(ST_REPORTSUBMITSUCCESS)
                    resizeWindow:YES];
  } else {
   [self setStringFitVertically:mProgressText
                          string:Str(ST_SUBMITFAILED)
                    resizeWindow:YES];
  }
  // quit after 5 seconds
  [self performSelector:@selector(closeMeDown:) withObject:nil
   afterDelay:5.0];
}

-(void)uploadThread:(HTTPMultipartUpload*)post
{
  NSAutoreleasePool* autoreleasepool = [[NSAutoreleasePool alloc] init];
  NSError* error = nil;
  NSData* data = [post send: &error];
  if (error) {
    data = nil;
    NSString* errorDesc = [error localizedDescription];
    string message = [errorDesc UTF8String];
    LogMessage("Crash report submission failed: " + message);
  }

  [self performSelectorOnMainThread: @selector(uploadComplete:)
        withObject: data
        waitUntilDone: YES];

  [autoreleasepool release];
}

// to get auto-quit when we close the window
-(BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication*)theApplication
{
  return YES;
}

-(void)applicationWillTerminate:(NSNotification *)aNotification
{
  // since we use [NSApp terminate:] we never return to main,
  // so do our cleanup here
  if (!gDidTrySend)
    DeleteDump();
}

@end

@implementation TextViewWithPlaceHolder

- (BOOL)becomeFirstResponder
{
  [self setNeedsDisplay:YES];
  return [super becomeFirstResponder];
}

- (void)drawRect:(NSRect)rect
{
  [super drawRect:rect];
  if (mPlaceHolderString && [[self string] isEqualToString:@""] &&
      self != [[self window] firstResponder])
    [mPlaceHolderString drawInRect:[self frame]];
}

- (BOOL)resignFirstResponder
{
  [self setNeedsDisplay:YES];
  return [super resignFirstResponder];
}

- (void)setPlaceholder:(NSString*)placeholder
{
	NSColor* txtColor = [NSColor disabledControlTextColor];
  NSDictionary* txtDict = [NSDictionary
                           dictionaryWithObjectsAndKeys:txtColor,
                           NSForegroundColorAttributeName, nil];
  mPlaceHolderString = [[NSMutableAttributedString alloc]
                       initWithString:placeholder attributes:txtDict];
  if (gRTLlayout)
    [mPlaceHolderString setAlignment:NSRightTextAlignment
     range:NSMakeRange(0, [placeholder length])];
  
}

- (void)insertTab:(id)sender
{
  // don't actually want to insert tabs, just tab to next control
  [[self window] selectNextKeyView:sender];
}

- (void)insertBacktab:(id)sender
{
  [[self window] selectPreviousKeyView:sender];
}

- (void)setEnabled:(BOOL)enabled
{
  [self setSelectable:enabled];
  [self setEditable:enabled];
  if (![[self string] isEqualToString:@""]) {
    NSAttributedString* colorString;
    NSColor* txtColor;
    if (enabled)
      txtColor = [NSColor textColor];
    else
      txtColor = [NSColor disabledControlTextColor];
    NSDictionary *txtDict = [NSDictionary
                             dictionaryWithObjectsAndKeys:txtColor,
                             NSForegroundColorAttributeName, nil];
    colorString = [[NSAttributedString alloc]
                   initWithString:[self string]
                   attributes:txtDict];
    [[self textStorage] setAttributedString: colorString];
    [self setInsertionPointColor:txtColor];
    [colorString release];
  }
}

- (void)dealloc
{
  [mPlaceHolderString release];
  [super dealloc];
}

@end

/* === Crashreporter UI Functions === */

bool UIInit()
{
  gMainPool = [[NSAutoreleasePool alloc] init];
  [NSApplication sharedApplication];

  if (gStrings.find("isRTL") != gStrings.end() &&
      gStrings["isRTL"] == "yes")
    gRTLlayout = true;

  [NSBundle loadNibNamed:(gRTLlayout ? @"MainMenuRTL" : @"MainMenu")
                   owner:NSApp];

  return true;
}

void UIShutdown()
{
  [gMainPool release];
}

void UIShowDefaultUI()
{
  [gUI showErrorUI: gStrings[ST_CRASHREPORTERDEFAULT]];
  [NSApp run];
}

bool UIShowCrashUI(const string& dumpfile,
                   const StringTable& queryParameters,
                   const string& sendURL,
                   const vector<string>& restartArgs)
{
  gRestartArgs = restartArgs;

  [gUI showCrashUI: dumpfile
       queryParameters: queryParameters
       sendURL: sendURL];
  [NSApp run];

  return gDidTrySend;
}

void UIError_impl(const string& message)
{
  if (!gUI) {
    // UI failed to initialize, printing is the best we can do
    printf("Error: %s\n", message.c_str());
    return;
  }

  [gUI showErrorUI: message];
  [NSApp run];
}

bool UIGetIniPath(string& path)
{
  path = gArgv[0];
  path.append(".ini");

  return true;
}

bool UIGetSettingsPath(const string& vendor,
                       const string& product,
                       string& settingsPath)
{
  FSRef foundRef;
  OSErr err = FSFindFolder(kUserDomain, kApplicationSupportFolderType,
                           kCreateFolder, &foundRef);
  if (err != noErr)
    return false;

  unsigned char path[PATH_MAX];
  FSRefMakePath(&foundRef, path, sizeof(path));
  NSString* destPath = [NSString stringWithUTF8String:reinterpret_cast<char*>(path)];

  // Note that MacOS ignores the vendor when creating the profile hierarchy -
  // all application preferences directories live alongside one another in
  // ~/Library/Application Support/
  destPath = [destPath stringByAppendingPathComponent: NSSTR(product)];
  // Thunderbird stores its profile in ~/Library/Thunderbird,
  // but we're going to put stuff in ~/Library/Application Support/Thunderbird
  // anyway, so we have to ensure that path exists.
  string tempPath = [destPath UTF8String];
  if (!UIEnsurePathExists(tempPath))
    return false;

  destPath = [destPath stringByAppendingPathComponent: @"Crash Reports"];

  settingsPath = [destPath UTF8String];

  return true;
}

bool UIEnsurePathExists(const string& path)
{
  int ret = mkdir(path.c_str(), S_IRWXU);
  int e = errno;
  if (ret == -1 && e != EEXIST)
    return false;

  return true;
}

bool UIFileExists(const string& path)
{
  struct stat sb;
  int ret = stat(path.c_str(), &sb);
  if (ret == -1 || !(sb.st_mode & S_IFREG))
    return false;

  return true;
}

bool UIMoveFile(const string& file, const string& newfile)
{
  if (!rename(file.c_str(), newfile.c_str()))
    return true;
  if (errno != EXDEV)
    return false;

  NSFileManager *fileManager = [NSFileManager defaultManager];
  NSString *source = [fileManager stringWithFileSystemRepresentation:file.c_str() length:file.length()];
  NSString *dest = [fileManager stringWithFileSystemRepresentation:newfile.c_str() length:newfile.length()];
  if (!source || !dest)
    return false;

  [fileManager moveItemAtPath:source toPath:dest error:NULL];
  return UIFileExists(newfile);
}

bool UIDeleteFile(const string& file)
{
  return (unlink(file.c_str()) != -1);
}

std::ifstream* UIOpenRead(const string& filename)
{
  return new std::ifstream(filename.c_str(), std::ios::in);
}

std::ofstream* UIOpenWrite(const string& filename, bool append) // append=false
{
  return new std::ofstream(filename.c_str(),
                           append ? std::ios::out | std::ios::app
                                  : std::ios::out);
}